added tool for visual editing of engines.ini, it will help to teach new engines

improved work of Google Page Rank: now it’s possible to setup checking until Page Rank will be determined to all links from database.

Remember: It's allow installation of the programs (XRumer and Hrefer) or any of its previous versions on 2 (two) computers at the same time. Change of computers cannot be made, till will not expiry 30 days since last installation.